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ILMN icon

Ossiam’s Illumina ILMN Stock Holding History

Ossiam’s Portfolio ILMN Stock Details ILMN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-11,601
Closed -$1.1M – 516
2025
Q3 		$1.1M Sell
11,601
-2,227
-16% -$221K 0.01% 452
2025
Q2 		$1.32M Buy
13,828
+286
+2% +$23.2K 0.01% 338
2025
Q1 		$1.07M Buy
+13,542
New +$1.47M 0.02% 325
2024
Q3 		– Sell
-15,250
Closed -$1.59M – 652
2024
Q2 		$1.59M Sell
15,250
-2,232
-13% -$250K 0.03% 255
2024
Q1 		$2.34M Buy
17,482
+2,700
+18% +$362K 0.04% 222
2023
Q4 		$2M Buy
14,782
+902
+6% +$104K 0.03% 234
2023
Q3 		$1.85M Sell
13,880
-2,974
-18% -$489K 0.03% 224
2023
Q2 		$3.07M Buy
16,854
+7,497
+80% +$1.52M 0.06% 170
2023
Q1 		$2.12M Sell
9,357
-1,730
-16% -$354K 0.04% 201
2022
Q4 		$2.18M Buy
11,087
+5,713
+106% +$1.18M 0.06% 191
2022
Q3 		$997K Buy
5,374
+2,274
+73% +$450K 0.03% 256
2022
Q2 		$556K Sell
3,100
-3,283
-51% -$838K 0.02% 291
2022
Q1 		$2.17M Sell
6,383
-11,138
-64% -$3.76M 0.06% 170
2021
Q4 		$6.48M Buy
17,521
+10,133
+137% +$3.84M 0.17% 102
2021
Q3 		$2.92M Sell
7,388
-4,566
-38% -$2.1M 0.08% 158
2021
Q2 		$5.76M Sell
11,954
-1,626
-12% -$655K 0.16% 96
2021
Q1 		$5.07M Buy
13,580
+13,425
+8,661% +$5.47M 0.16% 99
2020
Q4 		$56K Buy
155
+122
+370% +$38.9K ﹤0.01% 382
2020
Q3 		$10K Sell
33
-383
-92% -$132K ﹤0.01% 382
2020
Q2 		$150K Sell
416
-1,849
-82% -$595K 0.01% 325
2020
Q1 		$602K Buy
2,265
+1,961
+645% +$548K 0.04% 225
2019
Q4 		$98K Sell
304
-284
-48% -$86.1K 0.01% 395
2019
Q3 		$174K Buy
588
+414
+238% +$122K 0.01% 334
2019
Q2 		$62K Buy
+174
New +$54.9K ﹤0.01% 403
2019
Q1 		– Sell
-221
Closed -$64K – 301
2018
Q4 		$64K Buy
+221
New +$68.5K 0.01% 249

Other funds holding ILMN

Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
CM
Corvex Management New York $2.52B AUM 25.53% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Ossiam's ILMN Position: Q4 2025 in Review

Ossiam sold out of Illumina (ILMN) in Q4 2025, closing a stake of 11,601 shares — an estimated $1.1M sold.

Ossiam first reported a position in ILMN in Q4 2018 and held it in 25 quarters. The position peaked at $6.48M in Q4 2021. 858 funds tracked by Wall St. Rank hold ILMN as of Q4 2025.

  • Ossiam reported no remaining Illumina position as of Q4 2025 after selling out during the quarter.
  • Ossiam sold 11,601 Illumina shares in Q4 2025, an estimated $1.1M.
  • Ossiam first reported a position in Illumina in Q4 2018 and held it in 25 quarters.
  • Ossiam's Illumina position peaked at $6.48M in Q4 2021.
  • 858 funds tracked by Wall St. Rank held Illumina as of Q4 2025.

Based on Ossiam's 13F filing for Q4 2025, filed 13 Feb 2026.